49.85% is the change from 331 to 496
Calculation steps:
[( 496 - 331 ) ÷ 331] x 100 = 49.85%
Formula
Percentage change = [(496 - 331) / 331] x 100
Subtract the new number by the original number
496 - 331 = 165
165 ÷ 331 = 0.4984894259818731
0.4984894259818731 x 100 = 49.85%